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construct/include/ircd/m/acquire.h

61 lines
1.5 KiB
C++

// The Construct
//
// Copyright (C) The Construct Developers, Authors & Contributors
// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_M_ACQUIRE_H
namespace ircd::m::acquire
{
struct opts;
struct execute;
extern log::log log;
};
struct ircd::m::acquire::execute
{
execute(const opts &);
};
struct ircd::m::acquire::opts
{
/// Room apropos.
m::room room;
/// Optional remote host first considered as the target for operations in
/// case caller has better information for what will most likely succeed.
string_view hint;
/// For diagnostic and special use; forces remote operations through the
/// hint, and fails them if the hint is insufficient.
bool hint_only {false};
/// Perform head acquisition prior to depthwise operations.
bool head {true};
/// Perform missing acquisition.
bool missing {true};
/// Depthwise window of acquisition; concentrate on specific depth window
pair<int64_t> depth {0, 0};
/// Provide a viewport size; conf item
size_t viewport_size {0};
/// The number of rounds the algorithm runs for.
size_t rounds {1};
/// Total event limit over all operations.
size_t fetch_max {-1UL};
/// Limit the number of requests in flight at any given time.
size_t fetch_width {128};
};